Hyperflex Wetsuits Men's 4.3-mm Amp-3 Front Zip Fullsuit Neoprene Imported Should fit snug, but not too tight PERFECT FIT: Constructed with 100% Neoprene for an unbelievably stretchy and lightweight wetsuit MULTI SPORT USE: Designed for surfing, paddling, watercraft and many more water and action sports. DURABILITY: Uses flat lock seams for an extra reliable wetsuit for surfers DESIGN: Wetsuit is constructed with a pull over design to avoid needing a zipper. WARMTH: 100% AQ3 thermal interior lining throughout suit.